Tagged Questions

A layer is a collection of information. It contains specific elements of a gis in a specific presentation method (e.g raster or vector layer). Layers can be edited separately in order to create individual toppics for a map.

I have multiple layers in QGIS that I've set as transparent so I can see their respective features. However, I would like one layer (showing proportionally sized points) to NOT fade when it overlaps ...

The thing is that I have four styles I have created in QGIS through the GUI and saved into a postgresql database.
I can see them in the table named layer_styles
I have seen similar questions asking ...

I have ArcMap 10.2 on a Windows 10 pc.
I uploaded this open source layer into my desktop map, but I can't edit the look of the streets or color from the table of contents. Is there a way to do this, ...

I'm a veterinarian that uses qGIS for making basic outbreaks maps, and am trying to branch out and expand what I'm doing.
When I first started using qGIS 3 years (I believe it was 1.7), ago, when I ...

I cannot figure out where the problm is. I use GeoServer and Leaflet. My problem is that when I visualise some layers (in particular that with the names of the clients) I cannot see them all at each ...

I am relatively new at creating tools with ArcObjects and I am having trouble finding a layer based on the layer's source name by looping through all layers. I've seen here that it is possible, but I ...

I do have a bunch of coords as a string read from a wps request result. I want to display these coordinates as a new layer added to the exisiting map. What I do is to split the string by containing ...

I'm referencing external data, matching it up with particular fields in feature.properties and using that to decide which layer to put the feature in, all of this from inside the onEachFeature part.
...

I'm using the template of Google layers with an overlay of World Cities(OpenGeo), whenever I try to add some more overlays the application results in an error. It loads all the overlays but whenever I ...

I have a new question that I'm trying to solve. Spent more time than I can to admit trying to come up with a solution that doesn't require bringing the layers into Photoshop or the GIMP (which would ...

Here there are two layers with the representation of the streets and the idea is: We want to update the most recent layer (with the red line) with some of the data storaged in the other one (the light ...

I would like to automatically display a featureclass as different layers based on a specific field. I've seen a few tools online and on XToolsPro under the category of Split by Attributes, but they ...

My QGIS plugin exports all layers from QGIS to KML format. Now I'd like to export only selected layers. However, I can't find any hints in QGIS API. Is it possible to iterate over selected layers in ...

I have this JSFiddle example that has two vector layers in it, 'Cities Layer 1' and 'Cities Layer 2'. As you can see from this example, cities layer 1 has a visibility set as the default of true and ...

I've had this problem all day, and it's happened before, too. I am running desktop 10.3.1 and want to produce a very simple buffer from a single parcel. The output is assigned to the same .gdb that ...

I have a script that takes an input feature class and uses a field within this class to create a definition query for each unique field. A question on how to do this is listed below
saving layers for ...

I have 2 layers that I want to compare. I wish to retrieve the features in the layer 1 that have no part in common with the features in the layer 2. I try queries like that but do not returns me the ...

I have the layer that I created with the number of earthquakes in each region in the last 400 years. I want to know the number of earthquakes that occurred in one specific region prior to 1900.
How ...

I am using QGIS and C++.
When I create a layer of polygons with labels in the center I am able to use a RuleBasedRenderer to control the background colour of the polygon. How do I similarly control ...